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278 lines
8.8 KiB
C
278 lines
8.8 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: Local Security Authority (LSA) Server
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* FILE: reactos/dll/win32/lsasrv/privileges.c
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* PURPOSE: Privilege lookup functions
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*
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* PROGRAMMERS: Eric Kohl
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*/
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#include "lsasrv.h"
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typedef struct
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{
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LUID Luid;
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LPCWSTR Name;
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} PRIVILEGE_DATA;
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typedef struct
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{
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ULONG Flag;
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LPCWSTR Name;
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} RIGHT_DATA;
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/* GLOBALS *****************************************************************/
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static const PRIVILEGE_DATA WellKnownPrivileges[] =
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{
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{{SE_CREATE_TOKEN_PRIVILEGE, 0}, SE_CREATE_TOKEN_NAME},
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{{SE_ASSIGNPRIMARYTOKEN_PRIVILEGE, 0}, SE_ASSIGNPRIMARYTOKEN_NAME},
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{{SE_LOCK_MEMORY_PRIVILEGE, 0}, SE_LOCK_MEMORY_NAME},
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{{SE_INCREASE_QUOTA_PRIVILEGE, 0}, SE_INCREASE_QUOTA_NAME},
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{{SE_MACHINE_ACCOUNT_PRIVILEGE, 0}, SE_MACHINE_ACCOUNT_NAME},
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{{SE_TCB_PRIVILEGE, 0}, SE_TCB_NAME},
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{{SE_SECURITY_PRIVILEGE, 0}, SE_SECURITY_NAME},
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{{SE_TAKE_OWNERSHIP_PRIVILEGE, 0}, SE_TAKE_OWNERSHIP_NAME},
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{{SE_LOAD_DRIVER_PRIVILEGE, 0}, SE_LOAD_DRIVER_NAME},
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{{SE_SYSTEM_PROFILE_PRIVILEGE, 0}, SE_SYSTEM_PROFILE_NAME},
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{{SE_SYSTEMTIME_PRIVILEGE, 0}, SE_SYSTEMTIME_NAME},
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{{SE_PROF_SINGLE_PROCESS_PRIVILEGE, 0}, SE_PROF_SINGLE_PROCESS_NAME},
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{{SE_INC_BASE_PRIORITY_PRIVILEGE, 0}, SE_INC_BASE_PRIORITY_NAME},
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{{SE_CREATE_PAGEFILE_PRIVILEGE, 0}, SE_CREATE_PAGEFILE_NAME},
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{{SE_CREATE_PERMANENT_PRIVILEGE, 0}, SE_CREATE_PERMANENT_NAME},
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{{SE_BACKUP_PRIVILEGE, 0}, SE_BACKUP_NAME},
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{{SE_RESTORE_PRIVILEGE, 0}, SE_RESTORE_NAME},
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{{SE_SHUTDOWN_PRIVILEGE, 0}, SE_SHUTDOWN_NAME},
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{{SE_DEBUG_PRIVILEGE, 0}, SE_DEBUG_NAME},
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{{SE_AUDIT_PRIVILEGE, 0}, SE_AUDIT_NAME},
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{{SE_SYSTEM_ENVIRONMENT_PRIVILEGE, 0}, SE_SYSTEM_ENVIRONMENT_NAME},
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{{SE_CHANGE_NOTIFY_PRIVILEGE, 0}, SE_CHANGE_NOTIFY_NAME},
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{{SE_REMOTE_SHUTDOWN_PRIVILEGE, 0}, SE_REMOTE_SHUTDOWN_NAME},
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{{SE_UNDOCK_PRIVILEGE, 0}, SE_UNDOCK_NAME},
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{{SE_SYNC_AGENT_PRIVILEGE, 0}, SE_SYNC_AGENT_NAME},
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{{SE_ENABLE_DELEGATION_PRIVILEGE, 0}, SE_ENABLE_DELEGATION_NAME},
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{{SE_MANAGE_VOLUME_PRIVILEGE, 0}, SE_MANAGE_VOLUME_NAME},
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{{SE_IMPERSONATE_PRIVILEGE, 0}, SE_IMPERSONATE_NAME},
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{{SE_CREATE_GLOBAL_PRIVILEGE, 0}, SE_CREATE_GLOBAL_NAME}
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};
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static const RIGHT_DATA WellKnownRights[] =
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{
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{SECURITY_ACCESS_INTERACTIVE_LOGON, SE_INTERACTIVE_LOGON_NAME},
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{SECURITY_ACCESS_NETWORK_LOGON, SE_NETWORK_LOGON_NAME},
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{SECURITY_ACCESS_BATCH_LOGON, SE_BATCH_LOGON_NAME},
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{SECURITY_ACCESS_SERVICE_LOGON, SE_SERVICE_LOGON_NAME},
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{SECURITY_ACCESS_DENY_INTERACTIVE_LOGON, SE_DENY_INTERACTIVE_LOGON_NAME},
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{SECURITY_ACCESS_DENY_NETWORK_LOGON, SE_DENY_NETWORK_LOGON_NAME},
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{SECURITY_ACCESS_DENY_BATCH_LOGON, SE_DENY_BATCH_LOGON_NAME},
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{SECURITY_ACCESS_DENY_SERVICE_LOGON, SE_DENY_SERVICE_LOGON_NAME},
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{SECURITY_ACCESS_REMOTE_INTERACTIVE_LOGON, SE_REMOTE_INTERACTIVE_LOGON_NAME},
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{SECURITY_ACCESS_DENY_REMOTE_INTERACTIVE_LOGON, SE_DENY_REMOTE_INTERACTIVE_LOGON_NAME}
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};
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/* FUNCTIONS ***************************************************************/
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NTSTATUS
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LsarpLookupPrivilegeName(PLUID Value,
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PRPC_UNICODE_STRING *Name)
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{
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PRPC_UNICODE_STRING NameBuffer;
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ULONG Priv;
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if (Value->HighPart != 0 ||
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(Value->LowPart < SE_MIN_WELL_KNOWN_PRIVILEGE ||
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Value->LowPart > SE_MAX_WELL_KNOWN_PRIVILEGE))
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{
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return STATUS_NO_SUCH_PRIVILEGE;
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}
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for (Priv = 0; Priv < sizeof(WellKnownPrivileges) / sizeof(WellKnownPrivileges[0]); Priv++)
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{
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if (Value->LowPart == WellKnownPrivileges[Priv].Luid.LowPart &&
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Value->HighPart == WellKnownPrivileges[Priv].Luid.HighPart)
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{
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NameBuffer = MIDL_user_allocate(sizeof(RPC_UNICODE_STRING));
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if (NameBuffer == NULL)
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return STATUS_NO_MEMORY;
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NameBuffer->Length = wcslen(WellKnownPrivileges[Priv].Name) * sizeof(WCHAR);
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NameBuffer->MaximumLength = NameBuffer->Length + sizeof(WCHAR);
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NameBuffer->Buffer = MIDL_user_allocate(NameBuffer->MaximumLength);
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if (NameBuffer->Buffer == NULL)
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{
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MIDL_user_free(NameBuffer);
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return STATUS_NO_MEMORY;
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}
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wcscpy(NameBuffer->Buffer, WellKnownPrivileges[Priv].Name);
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*Name = NameBuffer;
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return STATUS_SUCCESS;
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}
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}
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return STATUS_NO_SUCH_PRIVILEGE;
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}
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NTSTATUS
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LsarpLookupPrivilegeValue(PRPC_UNICODE_STRING Name,
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PLUID Value)
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{
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ULONG Priv;
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if (Name->Length == 0 || Name->Buffer == NULL)
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return STATUS_NO_SUCH_PRIVILEGE;
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for (Priv = 0; Priv < sizeof(WellKnownPrivileges) / sizeof(WellKnownPrivileges[0]); Priv++)
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{
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if (_wcsicmp(Name->Buffer, WellKnownPrivileges[Priv].Name) == 0)
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{
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*Value = WellKnownPrivileges[Priv].Luid;
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return STATUS_SUCCESS;
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}
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}
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return STATUS_NO_SUCH_PRIVILEGE;
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}
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NTSTATUS
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LsarpEnumeratePrivileges(DWORD *EnumerationContext,
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PLSAPR_PRIVILEGE_ENUM_BUFFER EnumerationBuffer,
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DWORD PreferedMaximumLength)
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{
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PLSAPR_POLICY_PRIVILEGE_DEF Privileges = NULL;
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ULONG EnumIndex;
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ULONG EnumCount = 0;
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ULONG RequiredLength = 0;
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ULONG i;
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BOOLEAN MoreEntries = FALSE;
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NTSTATUS Status = STATUS_SUCCESS;
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EnumIndex = *EnumerationContext;
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for (; EnumIndex < sizeof(WellKnownPrivileges) / sizeof(WellKnownPrivileges[0]); EnumIndex++)
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{
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TRACE("EnumIndex: %lu\n", EnumIndex);
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TRACE("Privilege Name: %S\n", WellKnownPrivileges[EnumIndex].Name);
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TRACE("Name Length: %lu\n", wcslen(WellKnownPrivileges[EnumIndex].Name));
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if ((RequiredLength +
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wcslen(WellKnownPrivileges[EnumIndex].Name) * sizeof(WCHAR) +
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sizeof(UNICODE_NULL) +
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sizeof(LSAPR_POLICY_PRIVILEGE_DEF)) > PreferedMaximumLength)
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{
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MoreEntries = TRUE;
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break;
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}
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RequiredLength += (wcslen(WellKnownPrivileges[EnumIndex].Name) * sizeof(WCHAR) +
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sizeof(UNICODE_NULL) + sizeof(LSAPR_POLICY_PRIVILEGE_DEF));
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EnumCount++;
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}
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TRACE("EnumCount: %lu\n", EnumCount);
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TRACE("RequiredLength: %lu\n", RequiredLength);
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if (EnumCount == 0)
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goto done;
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Privileges = MIDL_user_allocate(EnumCount * sizeof(LSAPR_POLICY_PRIVILEGE_DEF));
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if (Privileges == NULL)
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{
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Status = STATUS_INSUFFICIENT_RESOURCES;
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goto done;
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}
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EnumIndex = *EnumerationContext;
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for (i = 0; i < EnumCount; i++, EnumIndex++)
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{
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Privileges[i].LocalValue = WellKnownPrivileges[EnumIndex].Luid;
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Privileges[i].Name.Length = (USHORT)wcslen(WellKnownPrivileges[EnumIndex].Name) * sizeof(WCHAR);
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Privileges[i].Name.MaximumLength = (USHORT)Privileges[i].Name.Length + sizeof(UNICODE_NULL);
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Privileges[i].Name.Buffer = MIDL_user_allocate(Privileges[i].Name.MaximumLength);
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if (Privileges[i].Name.Buffer == NULL)
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{
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Status = STATUS_INSUFFICIENT_RESOURCES;
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goto done;
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}
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memcpy(Privileges[i].Name.Buffer,
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WellKnownPrivileges[EnumIndex].Name,
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Privileges[i].Name.Length);
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}
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done:
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if (NT_SUCCESS(Status))
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{
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EnumerationBuffer->Entries = EnumCount;
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EnumerationBuffer->Privileges = Privileges;
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*EnumerationContext += EnumCount;
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}
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else
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{
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if (Privileges != NULL)
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{
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for (i = 0; i < EnumCount; i++)
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{
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if (Privileges[i].Name.Buffer != NULL)
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MIDL_user_free(Privileges[i].Name.Buffer);
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}
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MIDL_user_free(Privileges);
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}
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}
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if ((Status == STATUS_SUCCESS) && (MoreEntries == TRUE))
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Status = STATUS_MORE_ENTRIES;
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return Status;
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}
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NTSTATUS
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LsapLookupAccountRightName(ULONG RightValue,
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PRPC_UNICODE_STRING *Name)
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{
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PRPC_UNICODE_STRING NameBuffer;
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ULONG i;
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for (i = 0; i < sizeof(WellKnownRights) / sizeof(WellKnownRights[0]); i++)
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{
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if (WellKnownRights[i].Flag == RightValue)
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{
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NameBuffer = MIDL_user_allocate(sizeof(RPC_UNICODE_STRING));
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if (NameBuffer == NULL)
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return STATUS_NO_MEMORY;
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NameBuffer->Length = wcslen(WellKnownRights[i].Name) * sizeof(WCHAR);
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NameBuffer->MaximumLength = NameBuffer->Length + sizeof(WCHAR);
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NameBuffer->Buffer = MIDL_user_allocate(NameBuffer->MaximumLength);
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if (NameBuffer->Buffer == NULL)
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{
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MIDL_user_free(NameBuffer);
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return STATUS_INSUFFICIENT_RESOURCES;
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}
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wcscpy(NameBuffer->Buffer, WellKnownRights[i].Name);
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*Name = NameBuffer;
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return STATUS_SUCCESS;
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}
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}
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return STATUS_NO_SUCH_PRIVILEGE;
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}
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/* EOF */
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